Q4) A SI engine four-stroke cycle v8, 0.005m3 displacement, mounted on a hydraulic dynamometer has an output of 53,6 kW at 4050 RPM. Water absorbs the energy output of the engine as it flows through the dynamometer at a rate of 0.113 m3 per minute. The dynamometer has an efficiency of 93% and the water enters at a temperature of 20°C.Calculate: (a) Exit temperature of the water. ['C] (b) Torque output of the engine at this condition. [N.m] (c) What is bmep at this condition? [kPa]

Q4) A SI engine four-stroke cycle v8, 0.005m3 displacement, mounted on a hydraulic dynamometer has an output of 53,6 kW at 4050 RPM. Water absorbs the energy output of the engine as it flows through the dynamometer at a rate of 0.113 m3 per minute. The dynamometer has an efficiency of 93% and the water enters at a temperature of 20°C.Calculate: (a) Exit temperature of the water. ['C] (b) Torque output of the engine at this condition. [N.m] (c) What is bmep at this condition? [kPa]

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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1 Add file Q4) A SI engine four-stroke cycle V8, 0.005m3 displacement, mounted on a hydraulic dynamometer has an output of 53,6 kW at 405O RPM. Water absorbs the energy output of the engine as it flows through the dynamometer at a rate of 0.113 m3 per minute. The dynamometer has an efficiency of 93% and the water enters at a temperature of 20°C.Calculate: (a) Exit temperature of the water. [°C] (b) Torque output of the engine at this condition. [N.m] (c) What is bmep at this condition? [kPa] * 1 Add file Submit Never submit passwords through Google Forms. This form was created inside of University of Basrah. Report Abuse Google Forms
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(a) What would be the necessary bore and stroke of a single acting four- cylinder, 350 rpm ammonia compressor working on simple saturation cycle between 35°C condenser and -15°C evaporator temperatures and developing 15 tons refrigeration. Given for the compressor: Ratio of stroke to bore = 1 Volumetric efficiency = 0.7 (b) If the index of compression is 1.15, find the error introduced in calculat- ing the work of compression by assuming the process to be isentropic. Also, find the heat rejected to the compressor-jacket cooling water.
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